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A mach number is a number that describes speed. It is a measure of the speed of an object compared to the speed of sound. Mach number is given as a percentage compared to the local speed of sound. For example, half the speed of sound = Mach 0.5.

M=v/a

Where is the speed of the object, and a is the speed of sound.  view more...


 KidzTube            
StoryBots | Songs to Learn About The Human Body | Bones, Brain, Heart, Lungs & Stomach

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